Quadrilateral stwr is inscribed inside a circle as shown below. write a proof showing that angles t and r are supplementary.

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?